Negative comments about Damien Little, the Port Lincoln man who police say deliberately drove his car off the town's wharf with his two young boys inside, will not be tolerated at a gathering today for residents to mourn the tragedy, one of the organisers says.

A woman's sentence for helping the killer of an Adelaide debt collector was "manifestly inadequate" because a judge predetermined the final penalty and closed his mind to sentencing submissions, the appeals court is told.

An Iranian refugee, whose estranged boyfriend used her hijab to strangle her until she passed out, tells Adelaide's Supreme Court she is "confused" by his actions and was urged by others to drop the charges.